October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Test 11 - Tach Lead Test
Disconnect MCU connector and "horseshoe" connector at ignition coil. Check continuity between pin 8 in MCU connector and "Tach Test" terminal in coil connector. If circuit is open, repair. If circuit is okay, replace MCU module.